Papers › Cryptomite: A versatile and user-friendly library of randomness extractors
Cryptomite: A versatile and user-friendly library of randomness extractors
Cameron Foreman, Richie Yeung, Alec Edgington, Florian J. Curchod
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We present Cryptomite, a Python library of randomness extractor implementations. The library offers a range of two-source, seeded and deterministic randomness extractors, together with parameter calculation modules, making it easy to use and suitable for a variety of applications. We also present theoretical results, including new extractor constructions and improvements to existing extractor parameters. The extractor implementations are efficient in practice and tolerate input sizes of up to 2⁴⁰>10¹² bits. Contrary to alternatives using the fast Fourier transform, we implement convolutions efficiently using the number-theoretic transform to avoid rounding errors, making them well suited to cryptography. The algorithms and parameter calculation are described in detail, including illustrative code examples and performance benchmarking.
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